Re: [PATCH] Move irq routing data structure to rcu locking

[Avi Kivity <avi@redhat.com>]

On 07/09/2009 04:13 PM, Gleb Natapov wrote:
> Change it from list to array to make RCU handling simpler.
>
> Signed-off-by: Gleb Natapov<gleb@redhat.com>
> diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
> index f54a0d3..12d8d2b 100644
> --- a/include/linux/kvm_host.h
> +++ b/include/linux/kvm_host.h
> @@ -161,7 +161,8 @@ struct kvm {
>
>   	struct mutex irq_lock;
>   #ifdef CONFIG_HAVE_KVM_IRQCHIP
> -	struct list_head irq_routing; /* of kvm_kernel_irq_routing_entry */
> +	struct kvm_kernel_irq_routing_entry *irq_routing;
> +	spinlock_t irq_routing_lock;
>   	struct hlist_head mask_notifier_list;
>   #endif
>    

Why the new lock?

-- 
error compiling committee.c: too many arguments to function